XML DataSource Binding to Tree View

<bookstore>
  <genre name="fiction">
    <book isbn="10-000000-001">
      <title>The Iliad and The Odyssey</title>
      <price>12.95</price>
      <comments>
        <usercomment rating="4">
          Best translation I've read.
        </usercomment>
        <usercomment rating="2">
          I like other versions better.
        </usercomment>
      </comments>
    </book>
    <book isbn="10-000000-999">
      <title>Anthology of World Literature</title>
      <price>24.95</price>
      <comments>
        <usercomment rating="3">
          Needs more modern literature.
        </usercomment>
        <usercomment rating="4">
          Excellent overview of world literature.
        </usercomment>
      </comments>
    </book>
  </genre>
  <genre name="nonfiction">
    <book isbn="11-000000-002">
      <title>Computer Dictionary</title>
      <price>24.95</price>
      <comments>
        <usercomment rating="3">A valuable resource.</usercomment>
      </comments>
    </book>
    <book isbn="11-000000-003">
      <title>Cooking on a Budget</title>
      <price>23.95</price>
      <comments>
        <usercomment rating="4">Delicious!</usercomment>
      </comments>
    </book>
  </genre>
</bookstore>

<asp:TreeView ID="TreeView1" runat="server" AutoGenerateDataBindings="False"
    DataSourceID="XmlDataSource1">
    <databindings>
        <asp:TreeNodeBinding DataMember="BookStore" Text="Book Information"
            Value="Book Information" />
        <asp:TreeNodeBinding DataMember="genre" Text="Name" Value="Name" />
        <asp:TreeNodeBinding DataMember="Book" Text="ISBN" Value="ISBN" />
    </databindings>

<asp:XmlDataSource ID="XmlDataSource1" runat="server" DataFile="~/sample.xml">